/*
 * 岸本国際社労士事務所 — 共通コンポーネント
 * Buttons, navigation (load after layout.css)
 */

/* =========================
Shared
========================= */

.c-nav.navbar-nav .c-nav__link,
.c-footer-nav__link {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--c-text);
  transition: color 0.3s ease;
}

.c-nav.navbar-nav .c-nav__link:hover,
.c-nav.navbar-nav .c-nav__link:focus,
.c-footer-nav__link:hover,
.c-footer-nav__link:focus {
  color: var(--c-main);
}

.c-form__input,
.c-form__select,
.c-form__textarea,
.c-form .form-control,
.c-form .form-select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  background-color: var(--c-bg-white);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
}

.c-form__input:focus,
.c-form__select:focus,
.c-form__textarea:focus,
.c-form .form-control:focus,
.c-form .form-select:focus {
  border-color: var(--c-main);
  outline: none;
  box-shadow: 0 0 0 0.2rem rgba(10, 91, 200, 0.15);
}

@media (min-width: 768px) {
  .c-nav__item + .c-nav__item,
  .c-footer-nav__item + .c-footer-nav__item {
    display: flex;
    align-items: center;
  }

  .c-nav__item + .c-nav__item::before,
  .c-footer-nav__item + .c-footer-nav__item::before {
    content: "|";
    color: var(--c-text-sub);
    font-size: 14px;
    font-weight: 400;
    line-height: 1;
  }
}

/* =========================
Navigation
========================= */

.c-nav {
  flex-direction: column;
}

.c-nav.navbar-nav .c-nav__link {
  padding: 12px 0;
}

@media (min-width: 768px) {
  .c-nav {
    flex-direction: row;
    align-items: center;
  }

  .c-nav.navbar-nav .c-nav__link {
    padding: 8px 20px;
  }
}

@media (max-width: 767.98px) {
  .l-header__panel .c-nav.navbar-nav .c-nav__link {
    padding: 18px 0;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid var(--c-accent);
  }

  .l-header__panel .c-btn--primary {
    width: 100%;
    margin-top: 8px;
  }
}

/* =========================
Footer Navigation
========================= */

.c-footer-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.c-footer-nav__link {
  display: inline-block;
  padding: 12px 16px;
  text-decoration: none;
}

@media (min-width: 768px) {
  .c-footer-nav {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0;
  }

  .c-footer-nav__link {
    padding: 8px 16px;
  }
}

/* =========================
SP Menu Overlay
========================= */

.c-sp-menu__overlay {
  position: fixed;
  inset: 70px 0 0;
  z-index: 0;
  background-color: rgba(34, 34, 34, 0.45);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.l-header.is-active .c-sp-menu__overlay {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

@media (min-width: 768px) {
  .c-sp-menu__overlay {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .c-sp-menu__overlay {
    transition: opacity 0.2s ease, visibility 0.2s ease;
  }
}

/* =========================
Heading Sub
========================= */

.c-heading-sub {
  margin-bottom: 20px;
  font-size: var(--fz-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-main);
}

.c-heading-sub::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin: 12px auto 0;
  background-color: var(--c-accent);
}

.p-top-service .c-heading-sub::after {
  margin-inline: 0 auto;
}

@media (min-width: 768px) {
  .c-heading-sub {
    font-size: 22px;
  }
}

/* =========================
Card
========================= */

.c-card {
  background-color: var(--c-bg-white);
  border: 4px solid var(--c-border);
  border-radius: 10px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.3s ease;
}

.c-card:hover {
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
}

@media (min-width: 768px) {
  .c-card {
    padding: 30px;
  }
}

/* =========================
Button
========================= */

.c-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 320px;
  padding: 16px 32px;
  border-radius: 35px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.c-btn--primary {
  background-color: var(--c-main);
  color: #fff;
  border: 1px solid var(--c-main);
}

.c-btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-color: #084a9f;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.35s ease;
}

.c-btn--primary:hover,
.c-btn--primary:focus {
  color: #fff;
  border-color: #084a9f;
}

.c-btn--primary:hover::before,
.c-btn--primary:focus::before {
  transform: scaleX(1);
}

.l-header .c-btn--primary {
  min-width: 0;
  font-size: 14px;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.l-header .c-btn--primary::before {
  display: none;
}

.l-header .c-btn--primary:hover,
.l-header .c-btn--primary:focus {
  background-color: #084a9f;
  border-color: #084a9f;
  color: #fff;
}

@media (max-width: 768px) {
  .l-header .c-btn--primary {
      margin-top: 3rem;
    }
}

@media (prefers-reduced-motion: reduce) {
  .c-btn--primary::before {
    display: none;
  }

  .c-btn--primary:hover,
  .c-btn--primary:focus {
    background-color: #084a9f;
  }
}

.c-btn--accent {
  background-color: var(--c-accent);
  color: #fff;
  border: 1px solid var(--c-accent);
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.c-btn--accent:hover,
.c-btn--accent:focus {
  background-color: #c49a3d;
  border-color: #c49a3d;
  color: #fff;
}

/* =========================
Form
========================= */

.c-form__label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-text);
}

.c-form__required {
  margin-left: 4px;
  color: #d64545;
}

.c-form__input::placeholder,
.c-form__textarea::placeholder {
  color: var(--c-text-sub);
}

.c-form__textarea {
  min-height: 160px;
  resize: vertical;
}

.c-form__check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.c-form__checkbox {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.c-form__check-txt {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text);
}

.c-form__link {
  color: var(--c-main);
  text-decoration: underline;
}

.c-form__link:hover,
.c-form__link:focus {
  color: #084a9f;
}

.c-form__group--submit {
  text-align: center;
}

@media (max-width: 767.98px) {
  .c-form__group--submit .c-btn {
    width: 100%;
    min-width: 0;
  }
}

/* =========================
Page Top
========================= */

.c-pagetop {
  position: fixed;
  right: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 12px 0 0 0;
  background-color: var(--c-main);
  color: #fff;
  text-decoration: none;
  transition: background-color 0.3s ease, opacity 0.3s ease;
}

.c-pagetop:hover,
.c-pagetop:focus-visible {
  background-color: #084a9f;
  color: #fff;
}

.c-pagetop .bi {
  font-size: 1.25rem;
  line-height: 1;
}

@media (max-width: 767.98px) {
  .c-pagetop {
    right: 0;
    bottom: 0;
    width: 44px;
    height: 44px;
  }
}